Why Won’t the Furnace Pilot Light Stay On?

homeowner needs furnace repair

You depend on your furnace to provide reliable heating for your Savannah home when temperatures fall outside. If your pilot light is repeatedly going out, your local furnace repair team can diagnose the problem and can help you stay warm and cozy all winter long.

A Malfunctioning Gas Valve

Gas valves regulate the flow of gas to the burners of your furnace. If your gas valve is stuck in the closed position, it can stop gas from reaching your pilot light to ignite the burners of your furnace. This can prevent your furnace from producing heat for your home. An open gas valve can allow natural gas to enter your living spaces. Fires and carbon monoxide poisoning are two of the most serious risks of gas leaks inside your home.

Cracked Heat Exchanger

Cracks or damage to your heat exchanger can also prevent your pilot light from operating normally. Gas furnaces use heat exchangers to absorb heat from the combustion chamber and to transfer it to air that is then circulated throughout your home. If your heat exchanger has holes or leaks in it, it can release carbon monoxide into the air you breathe. Your local furnace repair professional can spot issues with your heat exchanger and can provide you with the right solutions to keep you and your family safe and warm.

Broken Thermocouple

Your furnace thermocouple works together with your pilot light to prevent gas leaks. Thermocouples are sensors that track the temperature of the flame produced by your furnace pilot light. If that temperature dips too low, the thermocouple shuts off gas to the furnace. A failing thermocouple, however, may not be able to register the temperature of the flame correctly, which can lead to repeated shut-offs for your heating system.

If your pilot light goes out repeatedly, calling McDevitt Air is the best way to stay safe and to maintain comfortable temperatures inside your home. We are a Carrier Factory Authorized Dealer serving Savannah and Pooler in Georgia and Bluffton in South Carolina. Our service technicians can diagnose issues with your heat exchanger, thermocouple or gas valve to resolve pilot light problems quickly. Give us a call today to discuss your furnace repair needs with our team of experts. We’re here to help when you need us most.

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